Hire the Best Quality Control Freelancers
in the United States

Clients rate our Quality Control professionals
Rating is 4.8 out of 5.
4.8/5
Based on 147 client reviews
Steven G.

Buffalo, New York

$40/hr
4.9
267 jobs

⚡ Power BI & Excel Dashboard Expert | Transforming Complex Data Into Strategic Insights With over five years of experience in data analytics and business intelligence, I specialize in transforming raw data into actionable insights. I have successfully helped over 200 clients unlock the full potential of their data through Power BI dashboards, Excel automation, and data-driven strategies. As a Top Rated Plus freelancer, I take pride in delivering exceptional results and maintaining high client satisfaction. I excel in building fully automated reporting systems that replace manual spreadsheets with dynamic, real-time dashboards, empowering teams to make faster, smarter decisions. ⸻ 🚀 What I Deliver Power BI Dashboards & Data Models – Custom visuals, dynamic DAX measures, and executive-level reporting tailored to your business goals. Automated Data Pipelines – Connect APIs, Excel, and SQL sources to streamline data refresh and eliminate repetitive manual tasks. Excel & VBA Tools – Advanced formulas, macros, and calculators that simplify data management and increase efficiency. Performance & Market Insights – Deep analysis across real estate, retail, and other industries, transforming trends into clear strategies. ⸻ 🧠 Core Expertise ✅ Power BI Visualizations & DAX ✅ SQL Server & API Integration ✅ Advanced Excel Formulas & Dashboards ✅ Looker Studio (Data Blending & Calculated Fields) ✅ Google Sheets & Cloud Data Automation ✅ Gantt Charts & Project Timelines ✅ Power Automate ✅ Power Apps ✅ Python ✅ Zapier ⸻ 🏆 Featured Project Recently helped a major statewide distributor build an end-to-end Power BI reporting ecosystem — connecting multiple data sources, automating daily refreshes, and creating dashboards that revealed new sales and market opportunities. ⸻ 🎯 Why Work With Me I bridge technical precision with business understanding, delivering dashboards that not only look great but also drive measurable results. My goal is to make your data work for you, not the other way around. Let’s collaborate to transform your reporting process and unlock the insights hidden in your data.

  • Microsoft Excel
  • Data Analysis
  • Excel Formula
  • Microsoft Power Automate
  • AI Development
  • Microsoft SQL Server
  • Microsoft Power BI
  • Microsoft Power BI Data Visualization
  • Microsoft Power BI Development
  • Business Intelligence
  • Data Visualization
  • ETL
  • Excel Macros
Alexus T.

Eugene, Oregon

$45/hr
5.0
13 jobs

U.S.-based Quality Assurance & AI Evaluation Specialist with 8+ years of experience in high-volume calibration, performance review, and training data creation. I bring strong attention to detail, consistency, and the ability to apply clear guidelines when reviewing and rating outputs. At Royal Caribbean, I was selected as a model agent whose customer interactions were used as training examples for new team members. I regularly participated in QA calibration discussions, evaluated performance against strict standards, and provided structured feedback on quality and consistency — skills that directly translate to AI data annotation and model evaluation work. I am now focused on helping AI teams improve model performance through accurate, reliable annotation and quality review. Services I offer: • AI response evaluation & preference ranking • Image & text data annotation • QA review & feedback on AI-generated content • Content moderation & guideline-based rating • Data entry, cleaning & Excel organization • Usability testing & honest feedback I am detail-oriented, consistent, and reliable. I follow instructions carefully, maintain high accuracy, and deliver quality work independently. Available for both short-term projects and ongoing annotation work.

  • Time Management
  • Employee Training
  • Team Building
  • Travel Planning
  • Budget Management
  • Client Management
Jordan Y.

Wausau, Wisconsin

$50/hr
5.0
134 jobs

Hi, I’m Jordan! With over 100 total jobs, I’m a seasoned AI Quality Assurance Specialist dedicated to delivering accuracy, clarity, and consistent results for all my clients. Whether you're looking for audio/video evaluation, data annotation, or AI model testing, I’ve got you covered. AI Quality Evaluation & Human Feedback • Analyzing and reviewing AI-generated text for accuracy, tone, and relevance • Identifying hallucinations, bias, and factual errors • Conducting A/B evaluations and providing actionable output quality feedback • Prompt testing to improve response quality Audio & Video Quality Control (QC) • Reviewing AI-generated transcriptions, subtitles, and closed captions • Ensuring video content is aligned with quality standards • Correcting timestamps, grammar, and natural language flow Data Annotation & Model Training • Labeling, tagging, and classifying data • Scoring content and evaluating datasets for accuracy • Testing AI features and providing clear, constructive feedback Why Clients Choose Me: Detail-Oriented: I ensure the highest quality standards with every project. Clear Communicator: Transparent about timelines, expectations, and results. Reliable & Consistent: Building long-term, trusted partnerships with clients. With a 99% Job Success Score and Top Rated status, I consistently help clients improve the accuracy and human-likeness of their AI outputs. I’m available during US Central Time (CT), ensuring smooth communication and project alignment, no matter where you’re located. Let’s Connect! If you're looking to elevate your AI model’s performance and ensure it meets the highest standards, I’d love to hear about your project and discuss how I can help.

  • Audio Transcription
  • English Tutoring
  • Mobile App Testing
  • Product Review
  • Product Testing
  • Teaching English
  • Teaching English as a Foreign Language Certification
  • Video Transcription
Maria J G.

Maui County, Hawaii

$10/hr
5.0
26 jobs

Hi there! I'm a bilingual (English–Spanish) freelancer with over a decade of versatile experience helping brands and individuals communicate effectively, grow their presence, and deliver content that resonates across cultures and platforms. 🌍 Translation & Localization Fluent in both English and Spanish, I offer culturally accurate translations that go beyond word-for-word. Whether it's websites, travel guides, product descriptions, or business communication, I make sure your message lands with clarity and authenticity. 🧳 Travel Planning & Coordination As a seasoned traveler and detail-oriented planner, I design custom travel itineraries focused on immersive, stress-free experiences—specializing in wellness, nature escapes, and hidden gems. Perfect for solo travelers, couples, or boutique agencies. ✍️ Copywriting & Content Creation I craft engaging, SEO-friendly copy tailored to your voice and goals. From blog articles and product descriptions to email campaigns and web content, I help bring your message to life and keep your audience coming back. 📱 Social Media Management & Posting I create and schedule consistent, brand-aligned content across Instagram, Facebook, Pinterest, and more. Whether it’s writing captions, choosing visuals, or planning content calendars, I help you stay visible and connected with your audience. 🧪 Product Testing & Reviews I offer honest, insightful product feedback—especially in wellness, travel, lifestyle, and eco-conscious niches. I highlight real user experience to help brands improve and build trust with potential customers.

  • Translation
  • Content Creation
  • Customer Service
  • Ecommerce
  • Content Localization
  • Copywriting
  • Creative Writing
  • Customer Support
Anne N.

Columbia, South Carolina

$50/hr
5.0
37 jobs

Your story is POWERFUL. Your copy isn't carrying it yet. 🚨 You know what you offer is valuable. You've tried to write it down, and something gets lost every time. Not quite right. Not quite you. Not quite what makes the right person stop and say, "This is exactly what I've been looking for." So you rewrite it. The version you have now is better, but you still wouldn't send a dream client there without a knot in your stomach. You're tired of copy that's technically fine but doesn’t move anyone. You're done handing your story to someone who treats it like just another writing project. ⭐⭐⭐⭐⭐ "Anne is exactly what I need to write my memoir! Her style of writing is compelling and excellent." Jenna Content that connects is written for a specific human in the middle of a specific struggle who needed to feel understood before they could feel convinced. 🎯 I'm a Narrative Intelligence Strategist. I bring the psychology, the audience research, and the strategic thinking that happens before the writing. So your ideal client arrives at your page already uncertain, already guarded, and finds themselves thinking, "They actually get it." Audience and ideal client research so your messaging meets the right person where they are. Brand positioning and story development so everything you publish sounds like one coherent, trustworthy voice. Copy editing and story editing rooted in emotional intelligence so the draft that's almost right becomes the version you're proud to send anywhere. Three months from now, your website works while you sleep. Your launch lands with people who were ready to say yes before they finished reading. That's the work. 🚀 ⭐⭐⭐⭐⭐ "Her writing connects emotionally with customers." Matt, AmeriTales WORK WINS 📈 Real estate listings. 78% sold in UNDER 10 DAYS. 100% sold within 30. Listing copy built around buyer identity, not property features. 📣 Local business feature. One story, written for the right reader. One weekend later, the owner felt it in his business. ⚡ Pre-launch service pages. Figma copy reviewed, restructured, and sharpened for conversion before launch. Positioning anchored to ideal client research. 🏆 Invited by The Daily Meal to join its Culinary Content Network. Based on the quality and consistency of published blog content. 🎯 Therapist website copy. Existing pages refined for clarity, emotional resonance, and audience fit. The kind of copy that makes the right client feel found. ⭐⭐⭐⭐⭐ "Anne is an incredibly talented writer and editor and takes seriously the intent of the copy, not what any certain type of copy is supposed to sound like. Her willingness to listen and connect to my goals is such an asset to my projects!" Halley, Therapist IS THIS YOU? ▶️ You're a therapist, founder, service professional, or someone with a story that deserves to be told, and you know your messaging hasn’t found its full impact yet. ▶️ You're willing to answer a few questions about your audience, your goals, and what you're trying to accomplish. ❌ You need high-volume content output on a tight turnaround with no discovery process. The strategy work I do takes time. If you need it fast and generic, I'm the wrong fit. ⭐⭐⭐⭐⭐ "Anne is one of the best copywriters I've worked with given her attention to detail and thoughtfulness. She really tries to understand your business, tone, and online persona. I've already rehired her for another project." Farah, Real Estate Client WHAT WORKING TOGETHER LOOKS LIKE 🔍 Your website sounds like you wrote it for Google instead of for the person you want to help. I research your audience, map their emotional journey, and rebuild your messaging around what they need to feel before they trust you enough to reach out. ✍️ You have a draft, maybe several, and none of them feel right. I edit for structure, clarity, and emotional pull so the final version sounds unmistakably like you while resonating with your audience. 🎯 Your launch is fast approaching, and your positioning doesn’t feel solid yet. I do the audience research so the people you most want to serve feel seen from the first line. 📖 You have a story that needs to be told in your voice. Narrative content and memoir ghostwriting rooted in deep listening, careful voice-matching, and the patience to get it right. 🧠 Your brand sounds like everyone else who does what you do. I develop the voice, the language, and the positioning that makes yours the one people remember. ⭐⭐⭐⭐⭐ "Anne is emotionally intelligent, perceptive, and highly skilled. Her feedback was thoughtful, clear, and incredibly helpful." Kyla, KC & Co If any of this felt like someone finally put words to what you've been trying to solve, the next step is a conversation. Tell me what you're working on and where you feel stuck. 💬 Send me a message and let's chat. ⭐⭐⭐⭐⭐ "Extremely competent. Excellent technical quality. Proactive in solving problems. A top-tier freelancer I would strongly recommend." Rafael, Aon Data

  • Real Estate Marketing
  • Blog Content
  • Content Research
  • Ghostwriting
  • Memoir Writing
  • Copywriting
  • Brand Positioning
  • Copy Editing
  • Storytelling
  • Voice of the Customer
  • Audience Targeting
  • Audience Research
  • Emotional Tone
  • Psychology
  • Story Editing
  • AI Content Editing
  • Research & Strategy
  • Creative Strategy
  • Polish
  • Story Development
Jeanie G.

Knoxville, Tennessee

$20/hr
5.0
3 jobs

I’m a detail-oriented and reliable freelancer specializing in data entry, proofreading, and basic bookkeeping support. I help clients keep their information accurate, organized, and error-free. My services include data entry, data cleaning, Excel data entry, Google Sheets, copy typing, document formatting, and administrative support. I also provide light proofreading and editing, focusing on grammar, spelling, punctuation, clarity, and consistency. In addition, I’m building my skills in bookkeeping support, including data organization, expense tracking, and basic financial record-keeping. I’m known for: - Accurate data entry and fast typing - Attention to detail and quality control - Following instructions and meeting deadlines - Clear, professional communication I’m comfortable using Microsoft Word, Excel, Google Docs, and Google Sheets, and I adapt quickly to new tools and systems. If you’re looking for a dependable freelancer for data entry, proofreading, virtual assistant tasks, or beginner bookkeeping support, I’m ready to help. I’m available for flexible, part-time, or ongoing projects and committed to delivering high-quality results every time.

  • Proofreading
  • Academic Proofreading
  • Proofreading Feedback
  • Academic Editing

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